.case-hero {
  min-height: 720px;
  padding: 150px 5% 90px;
  display: grid;
  align-items: end;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.case-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: var(--case-image);
  background-position: center;
  background-size: cover;
}

.case-hero-video {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.case-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(8,10,14,0.96) 0%, rgba(8,10,14,0.82) 48%, rgba(8,10,14,0.22) 100%);
}

.case-hero-inner,
.case-section,
.case-next {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.case-hero h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(46px, 7vw, 82px);
  letter-spacing: -0.04em;
}

.case-back-link {
  display: flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  margin-bottom: 22px;
  padding: 10px 15px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-full);
  background: rgba(8,10,14,0.72);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.case-back-link::before {
  content: "\2190";
  color: var(--accent);
  font-size: 19px;
  line-height: 1;
}

.case-back-link:hover,
.case-back-link:focus-visible {
  border-color: rgba(34,211,238,0.7);
  background: rgba(16,24,32,0.9);
  transform: translateX(-3px);
}

.case-lead {
  max-width: 720px;
  color: #d0d5df;
  font-size: clamp(18px, 2vw, 22px);
}

.case-result {
  width: fit-content;
  margin-top: 32px;
  padding: 14px 18px;
  border: 1px solid rgba(34,211,238,0.45);
  border-radius: var(--radius-full);
  background: rgba(8,10,14,0.66);
  color: #ffffff;
  font-weight: 800;
  backdrop-filter: blur(10px);
}

.case-section {
  padding: 96px 0;
}

.case-section + .case-section {
  border-top: 1px solid rgba(255,255,255,0.07);
}

.case-section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 70px;
  align-items: start;
}

.case-section h2 {
  font-size: clamp(30px, 4vw, 48px);
}

.case-copy {
  color: var(--text-secondary);
  font-size: 18px;
}

.case-copy p + p {
  margin-top: 18px;
}

.case-list {
  padding-left: 22px;
  list-style: disc;
}

.case-list li::marker {
  color: var(--brand-accent);
  font-size: 1.15em;
}

.case-list li + li {
  margin-top: 12px;
}

.case-tags {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-tag {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.case-download {
  width: min(1120px, calc(100% - 44px));
  min-height: 360px;
  margin: 0 auto 96px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  overflow: hidden;
}

.case-download-visual {
  min-height: 360px;
  background:
    linear-gradient(135deg, rgba(8,10,14,0.08), rgba(8,10,14,0.68)),
    var(--download-image) center / cover;
}

.case-download-content {
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.case-download h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 46px);
}

.case-download p {
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 17px;
}

.case-download-meta {
  margin: 22px 0;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-download-form {
  width: 100%;
  margin-top: 24px;
}

.case-download-form label {
  display: block;
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
}

.case-download-form-row {
  display: flex;
  align-items: stretch;
  gap: 10px;
}

.case-download-form input[type="email"] {
  min-width: 0;
  flex: 1;
  padding: 13px 15px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  background: rgba(8,10,14,0.66);
  color: #ffffff;
  font: inherit;
}

.case-download-form input[type="email"]:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(34,211,238,0.18);
  outline-offset: 1px;
}

.case-download-form .button-primary {
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}

.case-download-form .button-primary:disabled {
  cursor: wait;
  opacity: 0.65;
}

.case-download-legal,
.case-download-status {
  margin-top: 12px !important;
  font-size: 12px !important;
  line-height: 1.5;
}

.case-download-legal a {
  color: #ffffff;
}

.case-download-status {
  min-height: 18px;
  color: var(--text-secondary);
}

.case-download-success {
  display: none;
  margin-top: 16px;
}

.case-download-success.is-visible {
  display: inline-flex;
}

.case-next {
  margin-bottom: 96px;
  padding: 42px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.case-next h2 {
  margin-bottom: 8px;
  font-size: clamp(28px, 4vw, 42px);
}

.case-next p {
  color: var(--text-secondary);
}

@media (max-width: 850px) {
  .case-result {
    border-radius: var(--radius-lg);
  }

  .case-hero {
    min-height: 680px;
    padding: 126px 22px 72px;
  }

  .case-hero::after {
    background: linear-gradient(180deg, rgba(8,10,14,0.5), rgba(8,10,14,0.95) 68%);
  }

  .case-back-link {
    margin-bottom: 18px;
  }

  .case-section {
    padding: 72px 22px;
  }

  .case-section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .case-next {
    width: calc(100% - 44px);
    margin-bottom: 72px;
    padding: 30px 24px;
    align-items: flex-start;
    flex-direction: column;
  }

  .case-download {
    margin-bottom: 72px;
    grid-template-columns: 1fr;
  }

  .case-download-visual {
    min-height: 230px;
  }

  .case-download-content {
    padding: 32px 24px;
  }

  .case-download-form-row {
    flex-direction: column;
  }

  .case-download-form .button-primary {
    width: 100%;
  }
}